File Formats: Computer Graphics Metafile (CGM)

Computer Graphics Metafile is a format used for the exchange of vector and bitmap data. This file format is supported by Autovue and Corel. LEADTOOLS supports versions 1, 2, 3 and 4 of CGM, as well as the Binary data-encoding format of CGM.

LEADTOOLS supports loading this format as a raster image, vector image, or SVG (Scalable Vector Graphics) document.

The following table indicates which objects LEAD can load and which objects it can save:

Object: Load: Save:
Cell Array Supported Not Supported
Circle Supported Not Supported
3-Point Circular Arc Not Supported Not Supported
Circular Arc Center Supported Not Supported
Ellipse Supported Supported
Elliptical Arc Supported Not Supported
Font Supported Supported
Lines Supported Supported
PolyBezier Supported Not Supported
Polygons Supported Supported
Polyline Supported Supported
Polymarker Supported Not Supported
Raster Supported Not Supported
Rectangle Supported Supported
Restricted Text Supported Not Supported
Text Supported Supported

Read and write support for this format is provided only in the Document/Medical toolkits.

The default extension used by this file format is: CGM.

This file format does not support layers.

The file constants associated with this file format are:

Constant Read Support Write Support Description
Cgm Yes Yes Computer Graphics Metafile.

When CGM files are rasterized, they are 24 BPP.

Required DLL: Leadtools.Vector.dll and Leadtools.Codecs.Cgm.dll. For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application .

Related Formats: CMX - Corel Presentation Exchange Format, DGN - Intergraph Format, DRW - Micrografx Designer DRaWing, DWF - DWF Format, DWG - DWG Format, DXF - Drawing Interchange Format, EMF - Windows Metafile Formats, GBR - Gerber Format, PCL - Printer Command Language Format, PCT - Macintosh Pict Format, PDF - Portable Document Format, PLT - PLT / HPGL Format, PS - PostScript Document Format, RTF - Rich Text Format, SHP - ESRI Shape Format, SVG - Scalable Vector Graphics Format, WPG - WordPerfect Vector Format, WMF - Windows Metafile Formats, WMZ - Compressed Windows Metafile Format, E00 - ArcInfo Interchange File Format, MIF - MapInfo Interchange File Format.

Platforms: .NET 2/3, .NET 4

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